EpocCam Pro features different focusing modes - Continuous focus and manual focus. 

Manual focus is only available on rear-facing cameras. Manual focus is not supported on front-facing cameras. 

Continuous focus

This is the default focus mode. 

Continuous focus is used when launching EpocCam Pro.

Manual focus 

To lock the focus to a specific point, tap that the display once to lock the focus. 

To focus on a new point, tap the display once. 

To switch back to continuous focus, double-tap the display.